CSES - KILO 2016 1/5

Submission details
Task:	Decrypt
Sender:	Pietari Kaskela
Submission time:	2016-09-06 18:38:27 +0300
Language:	C++
Status:	READY
Result:	ACCEPTED

Test results
test	verdict	time
#1	ACCEPTED	0.04 s	details
#2	ACCEPTED	0.05 s	details
#3	ACCEPTED	0.05 s	details
#4	ACCEPTED	0.06 s	details
#5	ACCEPTED	0.05 s	details
#6	ACCEPTED	0.05 s	details
#7	ACCEPTED	0.05 s	details
#8	ACCEPTED	0.05 s	details
#9	ACCEPTED	0.05 s	details
#10	ACCEPTED	0.05 s	details
#11	ACCEPTED	0.05 s	details
#12	ACCEPTED	0.05 s	details
#13	ACCEPTED	0.05 s	details
#14	ACCEPTED	0.06 s	details
#15	ACCEPTED	0.06 s	details
#16	ACCEPTED	0.05 s	details
#17	ACCEPTED	0.04 s	details
#18	ACCEPTED	0.05 s	details
#19	ACCEPTED	0.05 s	details
#20	ACCEPTED	0.05 s	details
#21	ACCEPTED	0.05 s	details
#22	ACCEPTED	0.05 s	details
#23	ACCEPTED	0.06 s	details
#24	ACCEPTED	0.06 s	details
#25	ACCEPTED	0.05 s	details
#26	ACCEPTED	0.05 s	details
#27	ACCEPTED	0.05 s	details
#28	ACCEPTED	0.05 s	details
#29	ACCEPTED	0.06 s	details
#30	ACCEPTED	0.05 s	details

Code

#include <bits/stdc++.h>

#define i64 long long
#define u64 unsigned long long
#define i32 int
#define u32 unsigned int

#define pii pair<int, int>
#define pll pair<long long, long long>

#define ld long double
#define defmod 1000000007

#define mati64(a,b) vector<vector<i64>>(a, vector<i64>(b, 0));
using namespace std;

char ch(int i){
	return ((char)('a'+i));
}
int hc(char a){
	return a-'a';
}
int v[26][28];
int v2[26][28];
int cc[26];
int main(){
	cin.sync_with_stdio(0);
	cin.tie(0);
	string f; int k; cin >> f >> k;
	string s; cin >> s;
	int n = s.length();

	for(int i = 0; i < 26; ++i){
		v[i][0] = f[i]-'a';
		v2[f[i]-'a'][0] = i;
		cc[f[i]-'a']++;
	}
	for(int i = 0; i < 27; ++i){
		for(int j = 0; j < 26; ++j){
			v[j][i+1] = v[v[j][i]][i];
			v2[j][i+1] = v2[v2[j][i]][i];
		}
	}
	vector<int> t(n);
	for(int i = 0; i < n; ++i)
		t[i] = hc(s[i]);
	i64 k2 = 0;
	for(i64 bi = 27; bi >= 0; --bi){
		while(k2 + (1<<bi) <= k){
			k2+=(1<<bi);
			for(int i = 0; i < n; ++i){
				if(cc[t[i]] != 1){
					cout << "impossible" << endl;
					return 0;
				}
				t[i] = v2[t[i]][bi];
			}
		}
	}
	vector<int> t2 = t;
	k2 = 0;
	for(i64 bi = 27; bi >= 0; --bi){
		while(k2 + (1<<bi) <= k){
			k2+=(1<<bi);
			for(int i = 0; i < n; ++i){
				t2[i] = v[t2[i]][bi];
			}
		}
	}
	for(int i = 0; i < n; ++i){
		if(t2[i] != hc(s[i])){
			cout << "impossible" << endl;
			return 0;
		}
	}
	string ans(n, '@');
	for(int i = 0; i < n; ++i)
		ans[i] = ch(t[i]);
	cout << ans << endl;
	return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
`egkpmqujbxhiatorvznwcfynds 564...` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 2

Verdict: ACCEPTED

input
`pdabvolaobzbaaisrntdtwluwf 2 oooooooooooooooooooooooooooooo...` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 3

Verdict: ACCEPTED

input
`xtaoqlsjkezrcvinwfmbyhdgpu 872...` view save

correct output
`mmm` view save

user output
`mmm` view save

Test 4

Verdict: ACCEPTED

input
`wlcpatbrudxhofijgskqgevymz 1 joojjojjjoojjjjoojjojoojojoojj...` view save

correct output
`pmmppmpppmmppppmmppmpmmpmpmmpp...` view save

user output
`pmmppmpppmmppppmmppmpmmpmpmmpp...` view save

Test 5

Verdict: ACCEPTED

input
`tjyivkaulcjnehvtilatxjxmxd 300...` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 6

Verdict: ACCEPTED

input
`tonbvkcqilfjghszxpwmdureay 2 nnv` view save

correct output
`ggx` view save

user output
`ggx` view save

Test 7

Verdict: ACCEPTED

input
`edmxaqolzisvnrfkcgwehbtjpu 179...` view save

correct output
`oooooooooooooooooooooooooooooo...` view save

user output
`oooooooooooooooooooooooooooooo...` view save

Test 8

Verdict: ACCEPTED

input
`hrygatmxebcusinbdplunukuai 1 i` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 9

Verdict: ACCEPTED

input
`nsuftdzbmkqepgihlyxrvwajoc 724...` view save

correct output
`offfofofofofoffooofofooofffffo...` view save

user output
`offfofofofofoffooofofooofffffo...` view save

Test 10

Verdict: ACCEPTED

input
`kbybextsniougrdmqpwfahzlcv 2 stlooyhhdfzpspsospvhdpedouqsyr...` view save

correct output
`vmfaayzzkgsnvnvavnwzknekaxqvyi...` view save

user output
`vmfaayzzkgsnvnvavnwzknekaxqvyi...` view save

Test 11

Verdict: ACCEPTED

input
`dugyojozcpjlwxepebzhfkqlzc 801...` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 12

Verdict: ACCEPTED

input
`kibphqeygnmsdvawzrfcuotxjl 2 ggggggggggggggggggggggggggg` view save

correct output
`bbbbbbbbbbbbbbbbbbbbbbbbbbb` view save

user output
`bbbbbbbbbbbbbbbbbbbbbbbbbbb` view save

Test 13

Verdict: ACCEPTED

input
`pstlbyjnovmekdqzrhwxwgcfai 315...` view save

correct output
`mmm` view save

user output
`mmm` view save

Test 14

Verdict: ACCEPTED

input
`uukjvcscfohyvqomdfdlysnuoe 2 eheeheheeheheeheeheeeehhhheehh...` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 15

Verdict: ACCEPTED

input
`pkwsxbvdgmjutiyfqrzhealnoc 822...` view save

correct output
`hbkxkmhinhmwhwthbmhutgnkgoywho...` view save

user output
`hbkxkmhinhmwhwthbmhutgnkgoywho...` view save

Test 16

Verdict: ACCEPTED

input
`yqxvbohrlifmzdtwgejpcanuse 1 fl` view save

correct output
`ki` view save

user output
`ki` view save

Test 17

Verdict: ACCEPTED

input
`gauouzffisuxjtuufqdappivxv 205...` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 18

Verdict: ACCEPTED

input
`ovqzprxiluehkndsmtyafbwgjc 2 oo` view save

correct output
`tt` view save

user output
`tt` view save

Test 19

Verdict: ACCEPTED

input
`goqbyzivahrxnjwtdjluepsmkf 701...` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 20

Verdict: ACCEPTED

input
`vlovrwpvkfbotybcmcbixsbfly 2 jutqryuhbjjqvbpaeqoyduqneybsli...` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 21

Verdict: ACCEPTED

input
`eawzhgmusltxjypkirbcfndovq 262...` view save

correct output
`a` view save

user output
`a` view save

Test 22

Verdict: ACCEPTED

input
`kqdpgnevpuyahrjclfzwsomxti 2 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkk...` view save

correct output
`llllllllllllllllllllllllllllll...` view save

user output
`llllllllllllllllllllllllllllll...` view save

Test 23

Verdict: ACCEPTED

input
`xwfgenquyctxdvmptcrdhvcxwq 778...` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 24

Verdict: ACCEPTED

input
`sucejvkmrhtobzxglapdnifqwy 1 qddqqqqqdqqqqddddqqdqqqdqdqddq...` view save

correct output
`xttxxxxxtxxxxttttxxtxxxtxtxttx...` view save

user output
`xttxxxxxtxxxxttttxxtxxxtxtxttx...` view save

Test 25

Verdict: ACCEPTED

input
`pzukghijmcsalwnvoydxftbreu 413...` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 26

Verdict: ACCEPTED

input
`adlsmbfijwmdcwglhgnvaooybu 1 aio` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 27

Verdict: ACCEPTED

input
`zqynskaxvcljewmfditourgpbh 756...` view save

correct output
`oooooooooooooooooooooooooooooo...` view save

user output
`oooooooooooooooooooooooooooooo...` view save

Test 28

Verdict: ACCEPTED

input
`truzcldhkeqspoabgyvmjwnfik 1 zz` view save

correct output
`dd` view save

user output
`dd` view save

Test 29

Verdict: ACCEPTED

input
`upfasuzkjuwhrnajgmitgysvil 467...` view save

correct output
`impossible` view save

user output
`impossible` view save

Test 30

Verdict: ACCEPTED

input
`bemlodzqjgixuksatvyfcpnhrw 1 zdaaskooqkzzifuzspzayokihzxqhf...` view save

correct output
`gfpponeehnggktmgovgpsenkxglhxt...` view save

user output
`gfpponeehnggktmgovgpsenkxglhxt...` view save

KILO 2016 1/5

Decrypt

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Tasks

Submissions (Pietari Kaskela)